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Mathematics

Answered

Find the values of m and c if the straight line y=mx+c passes through the point (-2,5) and has a gradient of 4.

Answer :

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(2,5) and (4,13)

y - y1 = y2 - y1

x - x1 x2 - x1

y - 5 = 13 - 5 = 8/2 = 4 x - 2 4 - 2

y - 5 = 4x - 8

y = 4x - 3

m = 4, c = -3

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